Results 31 to 40 of about 663,128 (258)

8-[(1E)-1-(2-Aminophenyliminio)ethyl]-2-oxo-2H-chromen-7-olate

Acta Crystallographica Section E, 2010
The title Schiff base, C17H14N2O3, exists as an NH tautomer with the H atom of the phenol group transferred to the imine N atom. The iminium H atom is involved in a strong intramolecular N+—H...O− hydrogen bond to the phenolate O atom,
E. S. Aazam, A. F. El Husseiny, H. M. Al-Amri, Orhan Büyükgüngör   +3 more
doaj   +1 more source

N-Cyclo­hexyl-3,4,5-trimethoxy­benzamide [PDF]

, 2009
The 3,5-meth­oxy groups in the title compound, C16H23NO4, are almost coplanar with the aromatic ring, whereas the 4-meth­oxy group is bent out of this plane. The three CH3—O—C—C torsion angles are -1.51 (18), 0.73 (19) and 75.33 (15)°.
Saeed, Aamer, Arshad, Muhammad, Khera, Rasheed Ahmad, Bolte, Michael   +3 more
core   +1 more source

Crystal structure of 4-(3,4-dicyanophenoxy)-N-[3-(dimethylamino)propyl]benzamide monohydrate: a phenoxyphthalonitrile derivative

Acta Crystallographica Section E: Crystallographic Communications, 2015
In the title compound, C20H20N4O2·H2O, the planes of the phenoxy and phthalonitrile rings are oriented at a dihedral angle of 60.39 (5)°. The 3-(dimethylamino)propyl chain has an extended conformation and is cis with respect to the phthalonitrile ring ...
Senem Çolak, Salih Zeki Yıldız, Nagihan Çaylak Delibaş, Hasan Pişkin, Tuncer Hökelek   +4 more
doaj   +1 more source

5-Bromo­pyrimidin-2(1H)-one [PDF]

, 2007
The geometric parameters of the title compound, C4H3BrN2O, are in the usual ranges.
Ashalatha, B. V., Bolte, Michael, Narayana, B., Sarojini, B. K., Yathirajan, H. S.   +4 more
core   +1 more source

Crystal structure and Hirshfeld surface analyses, intermolecular interaction energies and energy frameworks of methyl 6-amino-5-cyano-2-(2-methoxy-2-oxoethyl)-4-(4-nitrophenyl)-4H-pyran-3-carboxylate

Acta Crystallographica Section E: Crystallographic Communications
The title compound, C17H15N3O7, contains pyran and phenyl rings, with the pyran ring exhibiting a flattened-boat conformation. In the crystal, intermolecular N—H...N hydrogen bonds link the molecules into centrosymmetric dimers, forming R22(12) ring ...
Farid N. Naghiyev, Tuncer Hökelek, Victor N. Khrustalev, Huseyn M. Mamedov, Alebel N. Belay, Jamshid Ashurov, Ibrahim G. Mamedov   +6 more
doaj   +1 more source

Crystal structure of 3-benzyl-1-[(cyclohexylidene)amino]thiourea

Acta Crystallographica Section E: Crystallographic Communications, 2015
The conformation of the title compound, C14H19N3S, is partially determined by an intramolecular N—H...N hydrogen-bond interaction, although the N—H...N angle of 108° is quite small.
Shaaban K. Mohamed, Joel T. Mague, Mehmet Akkurt, Alaa A. Hassan, Ahmed T. Abdel-Aziz, Mustafa R. Albayati   +5 more
doaj   +1 more source

Reactions of C$_2$({\it a}$^3Pi_u$) with selected saturated alkanes: A temperature dependence study

, 2010
We present a temperature dependence study on the gas phase reactions of the C$_2$({\it a}$^3Pi_u$) radical with a selected series of saturated alkanes (C$_2$H$_6$, C$_3$H$_8$, n-C$_4$H$_10$, i-C$_4$H$_10$, and n-C$_6$H$_14$) by means of pulsed laser ...
Atkinson R., Herzberg G., Johnson H. S., Qun Zhang, Renzhi Hu, Yang Chen   +5 more
core   +1 more source

Phthalazin-1(2H)-one–picric acid (1/1) [PDF]

, 2007
The geometric parameters of the title compound, C8H6N2O·C6H3N3O7, are in the usual ranges. The three nitro groups are almost coplanar with the aromatic picrate ring [dihedral angles 10.2 (2)°, 7.62 (16) and 8.08 (17)°].
Bolte, Michael, Narayana, Badiadka, Sarojini, Balladka Kunhanna, Swamy, M. T., Yathirajan, Hemmige S.   +4 more
core   +4 more sources

Ethyl 2-(2,5-dioxo-4,4-diphenylimidazolidin-1-yl)acetate

IUCrData, 2017
The five-membered ring of the title compound, C19H18N2O4, adopts an envelope conformation. In the crystal, pairwise N—H...O hydrogen bonds form centrosymmetric dimers which are connected into chains parallel to the c-axis direction by pairwise C—H...O ...
Youssef Ramli, Rachida Akrad, Walid Guerrab, Jamal Taoufik, Mhamed Ansar, Joel T. Mague   +5 more
doaj   +1 more source

Investigation of the crystal structures of n-(4-fluorobenzoyl) benzenesulfonamide and n-(4-fluoro-benzoyl)-4-methylbenzenesulfonamide [PDF]

, 1977
The title compound, C26H26N2O7, is a thia­midine derivative. Geometric parameters are in the usual ranges. The crystal packing is stabilized by a classical N—H⋯O hydrogen bond, several weak C—H⋯O hydrogen bonds and a π–π stacking inter ...
Suchetan, P. A., Sreenivasa, Swamy, Srivishnu, K. S., Lakshmikantha, H. N., Supriya, G. M., Naveen, S., Lokanath, N. K.   +6 more
core   +2 more sources